@book
{TN_libero_mab2,
author = {
Langston, Wann, Jr
},
title = {
Permian amphibians from New Mexico
},
publisher = {University of California Press},
year = {1953},
booktitle = {University of California publications in geological sciences ; volume 29, no. 7},
address = {
Berkeley
},
url = {
http://slubdd.de/katalog?TN_libero_mab2
}
}